1740.74% is the change from 27 to 497
Calculation steps:
[( 497 - 27 ) ÷ 27] x 100 = 1740.74%
Formula
Percentage change = [(497 - 27) / 27] x 100
Subtract the new number by the original number
497 - 27 = 470
470 ÷ 27 = 17.40740740740741
17.40740740740741 x 100 = 1740.74%